I extracted the 12 months of the 2018 monthly CPS with earner study variables and some others.
After restricting to eligorg == 1, I have 239 15-year-olds.
BUT, earnwt = 0 for all of them. earnwt is non-zero for everyone else in the eligorg subset.
paidhour, hourwage, and other earner study variables are non-zero for these 15-year-olds.
So why is earnwt = 0?